Finding the Third Proportional to 202,212 and 477,180

Step by Step Solution

1. Step 1: Write the proportion equation
   202,212 : 477,180 = 477,180 : x
2. Step 2: Convert to fraction form
   202,212/477,180 = 477,180/x
3. Step 3: Cross multiply
   202,212x = 477,180 × 477,180
4. Step 4: Simplify right side
   202,212x = 227,700,752,400
5. Step 5: Solve for x
   x = 227,700,752,400/202,212
6. Step 6: Final answer
   x = 1,126,049.65